vlc-ios/Sources/LocalNetworkConnectivity/VLCNetworkListViewController.m

/*****************************************************************************
 * VLCLocalNetworkListViewController
 * VLC for iOS
 *****************************************************************************
 * Copyright (c) 2013-2015 VideoLAN. All rights reserved.
 * $Id$
 *
 * Authors: Felix Paul Kühne <fkuehne # videolan.org>
 *          Pierre SAGASPE <pierre.sagaspe # me.com>
 *
 * Refer to the COPYING file of the official project for license.
 *****************************************************************************/

#import "VLCNetworkListViewController.h"
#import "VLCNetworkListCell.h"

NSString *VLCNetworkListCellIdentifier = @"VLCNetworkListCellIdentifier";

@interface VLCNetworkListViewController () <UITableViewDataSource, UITableViewDelegate, UISearchBarDelegate, UISearchDisplayDelegate>
{
    NSMutableArray *_searchData;
    UISearchBar *_searchBar;
    UISearchDisplayController *_searchDisplayController;
    UITapGestureRecognizer *_tapTwiceGestureRecognizer;
}

@end

@implementation VLCNetworkListViewController

- (void)dealloc
{
    [_tapTwiceGestureRecognizer removeTarget:self action:NULL];
}

- (void)loadView
{
    _tableView = [[UITableView alloc] initWithFrame:[UIScreen mainScreen].bounds style:UITableViewStylePlain];
    _tableView.backgroundColor = [UIColor VLCDarkBackgroundColor];
    CGRect frame = _tableView.bounds;
    frame.origin.y = -frame.size.height;
    UIView *topView = [[UIView alloc] initWithFrame:frame];
    topView.backgroundColor = [UIColor VLCDarkBackgroundColor];
    [_tableView addSubview:topView];
    _tableView.delegate = self;
    _tableView.dataSource = self;
    _tableView.opaque = YES;
    _tableView.rowHeight = [VLCNetworkListCell heightOfCell];
    _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    _tableView.indicatorStyle = UIScrollViewIndicatorStyleWhite;
    self.view = _tableView;
}

- (void)viewDidLoad
{
    [super viewDidLoad];

    self.tableView.separatorColor = [UIColor VLCDarkBackgroundColor];
    self.view.backgroundColor = [UIColor VLCDarkBackgroundColor];

    _searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];
    UINavigationBar *navBar = self.navigationController.navigationBar;
    _searchBar.barTintColor = navBar.barTintColor;
    _searchBar.tintColor = navBar.tintColor;
    _searchBar.translucent = navBar.translucent;
    _searchBar.opaque = navBar.opaque;
    _searchDisplayController = [[UISearchDisplayController alloc] initWithSearchBar:_searchBar contentsController:self];
    _searchDisplayController.delegate = self;
    _searchDisplayController.searchResultsDataSource = self;
    _searchDisplayController.searchResultsDelegate = self;
    _searchDisplayController.searchResultsTableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    _searchDisplayController.searchResultsTableView.indicatorStyle = UIScrollViewIndicatorStyleWhite;
    _searchDisplayController.searchBar.searchBarStyle = UIBarStyleBlack;
    _searchBar.delegate = self;
    _searchBar.hidden = YES;

    _tapTwiceGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self  action:@selector(tapTwiceGestureAction:)];
    [_tapTwiceGestureRecognizer setNumberOfTapsRequired:2];

    UIBarButtonItem *playAllButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemPlay target:self action:@selector(playAllAction:)];
    playAllButton.accessibilityLabel = NSLocalizedString(@"PLAY_ALL_BUTTON", nil);
    playAllButton.isAccessibilityElement = YES;
    self.navigationItem.rightBarButtonItems = @[[UIBarButtonItem themedRevealMenuButtonWithTarget:self andSelector:@selector(menuButtonAction:)],
                                                playAllButton];

    _searchData = [[NSMutableArray alloc] init];
    [_searchData removeAllObjects];
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    [self.navigationController.navigationBar addGestureRecognizer:_tapTwiceGestureRecognizer];
}
- (void)viewWillDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];
    [self.navigationController.navigationBar removeGestureRecognizer:_tapTwiceGestureRecognizer];
}

- (BOOL)shouldAutorotate
{
    UIInterfaceOrientation toInterfaceOrientation = [[UIApplication sharedApplication] statusBarOrientation];
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone && toInterfaceOrientation == UIInterfaceOrientationPortraitUpsideDown)
        return NO;
    return YES;
}

- (IBAction)menuButtonAction:(id)sender
{
    [[VLCSidebarController sharedInstance] toggleSidebar];

    if (self.isEditing)
        [self setEditing:NO animated:YES];
}

- (IBAction)playAllAction:(id)sender
{
    // to be implemented by subclass
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return 0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return nil;
}

#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView willDisplayCell:(VLCNetworkListCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
    UIColor *color = (indexPath.row % 2 == 0)? [UIColor blackColor]: [UIColor VLCDarkBackgroundColor];
    cell.contentView.backgroundColor = cell.titleLabel.backgroundColor = cell.folderTitleLabel.backgroundColor = cell.subtitleLabel.backgroundColor =  color;
}

#pragma mark - Search Display Controller Delegate

- (void)searchDisplayController:(UISearchDisplayController *)controller didLoadSearchResultsTableView:(UITableView *)tableView
{
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
        tableView.rowHeight = 80.0f;
    else
        tableView.rowHeight = 68.0f;

    tableView.backgroundColor = [UIColor blackColor];
}

#pragma mark - Gesture Action

- (void)tapTwiceGestureAction:(UIGestureRecognizer *)recognizer
{
    _searchBar.hidden = !_searchBar.hidden;
    if (_searchBar.hidden)
        self.tableView.tableHeaderView = nil;
    else
        self.tableView.tableHeaderView = _searchBar;

    [self.tableView setContentOffset:CGPointMake(0.0f, -self.tableView.contentInset.top) animated:NO];
}

@end